He has published widely across the social sciences, including 24 written or edited academic books and over 140 articles and book chapters. He is an editor of the international journal Dialogues in Human Geography, and is a past editor of Progress in Human Geography and Social and Cultural Geography. He was the editor-in-chief of the 12 volume, International Encyclopedia of Human Geography, and edits two book series, Irish Society and Key Concepts in Geography. He’s a regular contributor to the blogs, IrelandAfterNAMA and ProgCity.

He has delivered over 250 talks at conferences and universities in over a dozen countries (140 of them invited) and his research has been cited over 600 times in local, national and international media.